Meaning of “like crazy” in the English Dictionary

american-english dictionary

"like crazy" in British English

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like crazy

informal

B2 If you do something like crazy, you do a lot of it or do it very quickly:

They were working like crazy to get the job done on time.

(Definition of “like crazy” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"like crazy" in American English

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like crazy

also like mad

a lot or very quickly:

Mark’s working like crazy to get the house painted by the end of the week.

(Definition of “like crazy” from the Cambridge Academic Content Dictionary © Cambridge University Press)